CVE-2026-26113

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 0.61%
EPSS Percentile: 49.65%
CISA KEV: Not listed

Description

Untrusted pointer dereference in Microsoft Office allows an unauthorized attacker to execute code locally.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: [email protected]
Published: 11-Mar-2026 01:18
Last Modified: 17-Jun-2026 17:25
EPSS Date: 2026-11-08
CWE: CWE-822

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CNA Products / Version Status

Microsoft · Microsoft 365 Apps for Enterprise Source: CNA · [email protected]
Default status: unknown

16.0.1 ≤ version < https://aka.ms/OfficeSecurityReleases — affected (custom)

Platforms: 32-bit Systems, x64-based Systems
Microsoft · Microsoft Office 2016 Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < 16.0.5543.1000 — affected (custom)

Platforms: 32-bit Systems, x64-based Systems
Microsoft · Microsoft Office 2019 Source: CNA · [email protected]
Default status: unknown

19.0.0 ≤ version < https://aka.ms/OfficeSecurityReleases — affected (custom)

Platforms: 32-bit Systems, x64-based Systems
Microsoft · Microsoft Office LTSC 2021 Source: CNA · [email protected]
Default status: unknown

16.0.1 ≤ version < https://aka.ms/OfficeSecurityReleases — affected (custom)

Platforms: x64-based Systems
Microsoft · Microsoft Office LTSC 2024 Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < https://aka.ms/OfficeSecurityReleases — affected (custom)

Platforms: 32-bit Systems, x64-based Systems
Microsoft · Microsoft Office LTSC for Mac 2021 Source: CNA · [email protected]
Default status: unknown

16.0.1 ≤ version < 16.107.26030819 — affected (custom)
Microsoft · Microsoft Office LTSC for Mac 2024 Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < 16.107.26030819 — affected (custom)
Microsoft · Microsoft SharePoint Enterprise Server 2016 Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < 16.0.5543.1000 — affected (custom)

Platforms: x64-based Systems
Microsoft · Microsoft SharePoint Server 2019 Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < 16.0.10417.20102 — affected (custom)

Platforms: x64-based Systems
Microsoft · Microsoft SharePoint Server Subscription Edition Source: CNA · [email protected]
Default status: unknown

16.0.0 ≤ version < 16.0.19725.20076 — affected (custom)

Platforms: x64-based Systems

Affected Products / Versions

microsoft / 365_apps Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x64:*
microsoft / 365_apps Source: NVD CPE · affected
Version / affected range: -
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:x86:*
microsoft / office Source: NVD CPE · affected
Version / affected range: 2016
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x64:*
microsoft / office Source: NVD CPE · affected
Version / affected range: 2016
cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
microsoft / office Source: NVD CPE · affected
Version / affected range: 2019
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x64:*
microsoft / office Source: NVD CPE · affected
Version / affected range: 2019
cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:x86:*
microsoft / office_long_term_servicing_channel Source: NVD CPE · affected
Version / affected range: 2021
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:x64:*
microsoft / office_long_term_servicing_channel Source: NVD CPE · affected
Version / affected range: 2021
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:macos:*:*
microsoft / office_long_term_servicing_channel Source: NVD CPE · affected
Version / affected range: 2024
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x64:*
microsoft / office_long_term_servicing_channel Source: NVD CPE · affected
Version / affected range: 2024
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:-:x86:*
microsoft / office_long_term_servicing_channel Source: NVD CPE · affected
Version / affected range: 2024
cpe:2.3:a:microsoft:office_long_term_servicing_channel:2024:*:*:*:*:macos:*:*
microsoft / sharepoint_server Source: NVD CPE · affected
Version / affected range: * · before (exclusive) 16.0.19725.20076
cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
microsoft / sharepoint_server Source: NVD CPE · affected
Version / affected range: 2016
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
microsoft / sharepoint_server Source: NVD CPE · affected
Version / affected range: 2019
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

References

[email protected]

Last enrichment sync: 09-Nov-2026 15:58
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

Two Office RCEs (CVE-2026-26110 and CVE-2026-26113) are exploitable via the preview pane, and an Excel bug (CVE-2026-26144) could enable Copilot-based data exfiltration. Microsoft’s March 2026 Patch Tuesday Fixes 79 Flaws, Including Two Publicly Disclosed Zero-Days

CVE (4)

People (1)

Vendors (7)

Products (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.